COSEL is Japan’s market leader in manufacturing high-quality power supplies and DC-DC converters for demanding industrial applications. The company is headquartered in Toyama, Japan and was founded in the 1969.
COSEL offers AC-DC, DC-DC converters and noise filters in the highest quality, in various form factors, such as open card, open frame, DIN Rail, potted for PCB mounting. The products are typically developed for telecommunications, harsh industrial environments and medical appliances. The company uses high grade components designed for highest reliability, while their long-lasting availability supports “conservative” industrial and medical product life cycles. The heavy duty power supplies usually come with very long warranties of 5 years plus, offer peak capability of 150% or more for 40% duty cycle.
The company manufacturers all products by themselves in order to guarantee highest yield and cost efficiency. Apart from ISO9001 and ISO14001 certificates, COSEL products are - according to the application - fully approved to IEC/EN60950 and/or IEC/EN60601 4th Edition.